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$174+ Cheap flights from Greenville to Milwaukee (GSP - MKE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
GSP — MKE
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheap flight deals from Greenville to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Greenville (GSP) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 30, 2025.

Round-trip from

$237
(Delta)

One-way from

$174
(American Airlines)

Popular in

February

Cheapest in

September

Average price

$376
From Greenville to Milwaukee-Mitchell
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One-way flight from Greenville to Milwaukee-Mitchell
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Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Greenville to Milwaukee

Cheapest flights from Greenville to Milwaukee
Explore the most affordable flight options available from Greenville to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 30, 2025.

This Delta deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:30 amGSP - MKE
1 stop4h 33mDelta
Mon 8/114:57 pmMKE - GSP
1 stop6h 02mDelta
Deal found 6/30$237
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/54:07 pmGSP - MKE
2 stops6h 20mAmerican Airlines
Tue 8/121:54 pmMKE - GSP
1 stop6h 01mAmerican Airlines
Deal found 6/28$242
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/181:50 pmGSP - MKE
2 stops8h 45mSouthwest
Thu 8/2111:35 amMKE - GSP
2 stops8h 25mSouthwest
Deal found 6/30$247
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:07 pmGSP - MKE
1 stop6h 22mUnited Airlines
Mon 8/255:00 amMKE - GSP
2 stops8h 16mUnited Airlines
Deal found 6/29$312

Cheapflights Fare Finder

Customize your flight search to find flights from Greenville to Milwaukee that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
Use the filters below to find and compare flights from Greenville to Milwaukee that are best for you.

Fly from

Greenville

Fly to

Milwaukee

Route

Depart

Return

Price

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/7

8:07 pm-11:59 pm

1 stop4h 52m

Milwaukee-Mitchell

Mon 8/11

6:36 pm-11:59 pm

1 stop4h 23m

$237

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Tue 8/5

4:07 pm-9:27 pm

2 stops6h 20m

Milwaukee-Mitchell

Tue 8/12

1:54 pm-8:55 pm

1 stop6h 01m

$242

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 8/14

1:50 pm-9:35 pm

2 stops8h 45m

Milwaukee-Mitchell

Mon 8/18

12:20 pm-9:00 pm

1 stop7h 40m

$248

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Wed 8/20

6:07 pm-11:29 pm

1 stop6h 22m

Milwaukee-Mitchell

Mon 8/25

5:00 am-2:16 pm

2 stops8h 16m

$312

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 8/1

7:40 pm-11:45 pm

1 stop5h 05m

$174

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 8/1

5:45 am-2:45 pm

2 stops10h 00m

$199

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Thu 7/17

8:07 pm-11:59 pm

1 stop4h 52m

$204

GreenvilleMilwaukee

GSP - MKE

GSPMKE

Greenville

Fri 8/1

4:05 pm-3:42 pm

3 stops24h 37m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Best time to book a flight from Greenville to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Greenville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Greenville to Milwaukee

What is the cheapest month to book a flight from Greenville to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from Greenville to Milwaukee (average of $280). Flying from Greenville to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GSP to MKE?

Find hourly flight availability from Greenville to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

When flying from Greenville to Milwaukee, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight at noon.

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated June 30, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Greenville to Milwaukee to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,973 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,852 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Food

7.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Greenville to Milwaukee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Greenville to Milwaukee round-trip?

    Currently priced at $237, Delta will fly you from Greenville to Milwaukee and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Southwest - these airlines can fly you to your destination from $242 and $248, respectively. Delta is currently priced 39% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Greenville to Milwaukee one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $174. Users have also found prices from $199 and $204 on Southwest and Delta, respectively.

  • Can I find deals for flights from Greenville to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Greenville to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Greenville to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Greenville to Milwaukee.

  • Can I find deals for business class flights from Greenville to Milwaukee?

    Yes. Cheapflights offers flight deals from Greenville to Milwaukee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Greenville to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from Greenville to Milwaukee (average of $280). Flying from Greenville to Milwaukee in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Greenville?

Book flights to Greenville if you plan to visit one of these locations
Mequon
Oak Creek
Sheboygan
Wauwatosa

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Top 2 airlines flying from Greenville to Milwaukee

Discover the top 2 airlines that operate flights from Greenville to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$359FlexibilityNo cancel feeOn-time71%
DeltaCheapest$248Average$343FlexibilityNo cancel feeOn-timeN/A

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